'Gems of History' recounts a rich historical account of the Dua't al-Mutlaqeen from the time of Hujjat of the 20th Fatmid Imam Amir b'Amr-'Illah, Hurrat al-Mallika of Sulayhid Yemen, Arwa bint Ahmad, to the 50th Dai al-Mutlaq, Syedna Abd Allah Badr al-Din.